Light-emitting device and electronic apparatus including the same

A light-emitting device comprising:

• a first electrode;
• a second electrode facing the first electrode;
• and
• an interlayer between the first electrode and the second electrode, the interlayer comprising an emission layer,
• wherein:
• the interlayer further comprises a first electron transport layer and a second electron transport layer, the first and second electron transport layers being between the emission layer and the second electrode;
• the first electron transport layer comprises a first compound represented by Formula 1;
• and
• the second electron transport layer comprises a second compound represented by Formula 2,
• wherein Formula 1 is:
• wherein Formula 2 is:
• wherein, in Formula 1 and Formula 2:
• two of X1 to X13 are N, and the remaining one of X1 to X13 is C(R15),
• X21 to X26 are each N,
• CY11 and CY12 are each independently a benzene group,
• L11 and L12 are each a single bond,
• L13, L21, and L22 are each independently a benzene group, unsubstituted or substituted with at least one of deuterium, —F, —Cl, —Br, —I, a C1-C20 alkyl group, a phenyl group, a naphthalenyl group, a phenanthrenyl group, and an anthracenyl group,
• a11 and a12 are each independently an integer from 1 to 5,
• a13, a21, and a22 are each 1,
• Ar11, Ar12, and Ar21 to Ar24 are each independently a phenyl group, unsubstituted or substituted with at least one of deuterium, —F, —CI, —Br, —I, a C1-C20 alkyl group, a phenyl group, a naphthyl group, a phenanthrenyl group, and an anthracenyl group,
• b11 and b12 are each 1,
• R11 to R15 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, or a C1-C10 alkyl group unsubstituted or substituted with at least one R10a,
• CY21 is a group represented by one of Formulae 2A-1 or 2A-10:
• wherein, in Formula 2A-1 to 2A-10:
• R22 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group unsubstituted or substituted with at least one R10a, a C2-C60 alkenyl group unsubstituted or substituted with at least one R10a, a C2-C60 alkynyl group unsubstituted or substituted with at least one R10a, a C1-C60 alkoxy group unsubstituted or substituted with at least one R10a, a C3-C60 carbocyclic group unsubstituted or substituted with at least one R10a, a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a, a C6-C60 aryloxy group unsubstituted or substituted with at least one R10a, a C6-C60 arylthio group unsubstituted or substituted with at least one R10a, —Si(Q1)(Q2)(Q3), —N(Q1)(Q2), —B(Q1)(Q2), —C(═O)(Q1), —S(═O)2(Q1), or —P(═O)(Q1)(Q2),
• b21 is an integer from 1 to 6, and
• * and *′ each indicate a binding site to a neighboring atom,
• c11 is an integer from 1 to 3,
• c12 is an integer from 1 to 4,
• R10a is:
• deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, or a nitro group;
• C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, or a C1-C60 alkoxy group each, independently, unsubstituted or substituted with at least one of deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, —Si(Q11)(Q12)(Q13), —N(Q11)(Q12), —B(Q11)(Q12), —C(═O)(Q11), —S(═O)2(Q11), and P(═O)(Q11)(Q12);
• a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, or a C6-C60 arylthio group each, independently, unsubstituted or substituted with at least one of deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, —Si(Q21)(Q22)(Q23), —N(Q21)(Q22), —B(Q21)(Q22), —C(═O)(Q21), —S(═O)2(Q21), and —P(═O)(Q21)(Q22);
• or
• —Si(Q31)(Q32)(Q33), —N(Q31)(Q32), —B(Q31)(Q32), —C(═O)(Q31), —S(═O)2(Q31), or —P(═O)(Q31)(Q32), and
• wherein Q1 to Q3, Q11 to Q13, Q21 to Q23, and Q31 to Q33 are each, independently:
• hydrogen;
• deuterium;
• —F;
• —Cl;
• —Br;
• —I;
• a hydroxyl group;
• a cyano group;
• a nitro group;
• a C1-C60 alkyl group;
• a C2-C60 alkenyl group;
• a C2-C60 alkynyl group;
• a C1-C60 alkoxy group;
• a C3-C60 carbocyclic group and a C1-C60 heterocyclic group each, independently, unsubstituted or substituted with at least one of deuterium, —F, a cyano group, a C1-C60 alkyl group, a C1-C60 alkoxy group, a phenyl group, or a biphenyl group,
• wherein a group represented by
• in Formula 1 is a group represented by one of Formulae 1A-1:
• wherein, in Formulae 1A-1,
• * indicates a binding site to a neighboring atom.